List of Best AI Development Companies in California | Hire AI Developers in California
51 to 250
$51 - $100 /hr
Generative AI
USA
Your certified HubSpot partner, Xynario delivers qualified leads and GTM strategies for accelerated B2B growth. Read More About Xynario
Xynario Exceeded Expectations
Jennifer, Project Success Head
51 to 250
$101 - $150 /hr
Generative AI
USA, Uruguay
At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. We’ve helped launch more than 750+ digital products with more than 100 million combined downloads. Our mission isn't to merely build pretty interfaces, it's to iteratively design software solutions. Read More About Rootstrap, Inc.
51 to 250
$101 - $150 /hr
Generative AI
USA
VentureDevs is a leading software development firm providing digital product strategy, team augmentation, design, and development services to top startups and global enterprises. From hiring top-tier talent and managing tech teams to developing bespoke software, we take the legwork out of building digital products. We help our clients remain agile through every facet of their growth, and in turn, we save them time, money, and countless logistical headaches. Read More About VentureDevs
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251 to 1000
$101 - $150 /hr
Generative AI
USA
YOUR PARTNER FOR WORLD-CLASS SOFTWARE DEVELOPMENT AND DIGITAL DESIGN. Our we utilize our Silicon Valley expertise to create future-proof digital experiences. We are your co-innovators, delivering tangible business outcomes with a people-first approach. Our 900-employee design, software and strategy company is located in Orange County California, and in Finland. We engineer Mobile Apps, Web Services, and Embedded Systems, and work with companies like GE, Logitech, The New York Times, and Yamaha. Read More About Vincit
51 to 250
$101 - $150 /hr
Generative AI
USA
Nextware offers a full range of application development and IT services, including custom web, mobile, and desktop applications; software implementation, business process automation, and software integration; as well as cloud hosting, consultancy, quality assurance, and testing services. Read More About Nextware Technologies
51 to 250
$51 - $100 /hr
Generative AI
Ukraine, USA
Uptech is a Ukrainian outsourcing mobile and web development company. We create mobile apps and websites from the very scratch. We create apps for Native iOS and Android apps, Cross-platform mobile apps (using React Native), Web apps & tvOS apps. Read More About Uptech
11 to 50
$101 - $150 /hr
Generative AI
USA
Goji Labs is a boutique app development studio with offices in Los Angeles and New York City. We are product and technology experts and specialize in reducing risk on behalf of our partners when bringing new software ventures to market. Read More About Goji Labs
51 to 250
$26 - $50 /hr
Generative AI
USA
With domain expertise on Aerospace, Banking, Insurance, Tele Communication, Education, Financial Services and Retail, Hvantage Technologies brings in world class software solutions and support services tailored to the unique requirements for clients across the world. Our IT services & products suit the viability to serve the global IT domain requirements. Read More About Hvantage Technologies Inc
51 to 250
$51 - $100 /hr
Generative AI
Germany, Poland
Blockchain, dApps and mobile technology are moving fast. From intelligent hardware devices (IoT) to app-enhanced car dashboards, every industry can now participate in the smart, customer-driven app revolution. We help our clients and partners keep pace and thrive. As an engineering team, we specialize in building hardware-integrated mobile apps and the backend systems to power them. Read More About Concise Software
51 to 250
$26 - $50 /hr
Generative AI
India, USA
WebClues InfoTech is a one-stop IT solutions provider that specializes in creating wonderful websites and applications for various industries. Our team of brilliant individuals combines years of experience with an eye for beautiful designs to create robust, user-friendly websites and mobile applications that help businesses attract customers. Read More About WebClues Infotech
11 to 50
< $25 /hr
Generative AI
India, USA
Santhila DataBot Private Limited is an emerging young IT Company that offers a complete range of services with uncompromising quality and value-added IT services. We are a full-stack development team providing solutions since 2007, and has experience in the development, maintenance of ERP, CRM, Web/Mobile Applications, Websites, SEO and SMM. Our Team Consist of Business Analyst, Project Managers, Team Leads, Designer, Front end developer, Back-end developer, and QC. Read More About Santhila DataBot
11 to 50
$26 - $50 /hr
Generative AI
USA
As an SEO agency, one of your most daunting tasks is building solid inbound links for your clients. Read More About Automatic Growth
251 to 1000
$300+ /hr
Generative AI
Pakistan, USA
BlockApex is a leading blockchain consulting company founded in 2021 that has established itself as a global leader in the industry and is renowned for delivering innovative and robust solutions. Our commitment to excellence is demonstrated through our collaborations with prestigious clients such as Script Network, Sonar, Eclipse Fi, Lightlink, Adot, Jump Defi, and Param. Read More About Blockapex
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51 to 250
< $25 /hr
Generative AI
USA
WeblineGlobal, an award-winning software development company based in Irvine, California, has been a leader since 1999. With extensive experience in complex technologies and various business domains, our expert team excels in software programming and enterprise solutions, ensuring we meet and exceed client expectations. Read More About WeblineGlobal
11 to 50
$101 - $150 /hr
Generative AI
USA, United Arab Emirates
3DEX Inc., headquartered in California, USA, has been a trusted partner in software development and innovation for over two decades. Read More About 3DEX
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Top Artificial Intelligence Development Companies in New York December, 2025
